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Thread: Tweak my connection, please

  1. #1
    Junior Member Wheeler's Avatar
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    Tweak my connection, please

    1. I have a cable connection with Motorola SURFboard® Cable Modem SB5100E

    2. My ISP is HTV and the advertised speed is 512/200

    3. Browser/OS = Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7) Gecko/20040614 Firefox/0.9
    Notes: Read the Analyzer FAQ if the above is not your IP address.
    TCP options string = 020405b4010303010101080a000000000000000001010402
    MTU = 1500
    MTU is fully optimized for broadband.
    MSS = 1460
    Maximum useful data in each packet = 1460, which equals MSS.
    Default Receive Window (RWIN) = 65700
    RWIN Scaling (RFC1323) = 1 bits (scale factor of 2)
    Unscaled Receive Window = 32850
    RWIN is not fully optimized (even though it is a comparatively large number). The unscaled RWIN value is lower than it should be, which can affect your connection to some servers. Also, RWIN being close above 65535 does not justify the header overhead of scaling. You might want to use one of our recommended RWIN values below.

    RWIN is a multiple of MSS
    Other values for RWIN that might work well with your current MTU/MSS:
    513920 (MSS x 44 * scale factor of 8)
    256960 (MSS x 44 * scale factor of 4)
    128480 (MSS x 44 * scale factor of 2)
    64240 (MSS x 44)
    bandwidth * delay product (Note this is not a speed test):

    Your RcvWindow limits you to: 2628 kbps (328.5 KBytes/s) @ 200ms
    Your RcvWindow limits you to: 1051.2 kbps (131.4 KBytes/s) @ 500ms
    MTU Discovery (RFC1191) = ON
    Time to live left = 116 hops

    TTL value is ok.
    Timestamps (RFC1323) =

    Timestamps (RFC1323) = ON
    Note: Timestamps add 12 bytes to the TCP header of each packet, reducing the space available for useful data.
    Selective Acknowledgements (RFC2018) = ON
    IP type of service field (RFC1349) = 00000000

    4. My OS is Win XP pro

    I've tweaked my connection somewhat already, but i feel there's still something that could be done. Hope you can help me to figure out what that might be.

  2. #2
    Junior Member Wheeler's Avatar
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    I decided to revert all the previous tweaks to make things easier. So here's my connection at its initial stage:

    Browser/OS = Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7) Gecko/20040614 Firefox/0.9
    Notes: Read the Analyzer FAQ if the above is not your IP address.
    TCP options string = 020405b401010402
    MTU = 1500
    MTU is fully optimized for broadband.
    MSS = 1460
    Maximum useful data in each packet = 1460, which equals MSS.
    Default Receive Window (RWIN) = 17520
    RWIN Scaling (RFC1323) = 0 bits
    Unscaled Receive Window = 17520

    RWIN is a multiple of MSS
    Other values for RWIN that might work well with your current MTU/MSS:
    513920 (MSS x 44 * scale factor of 8)
    256960 (MSS x 44 * scale factor of 4)
    128480 (MSS x 44 * scale factor of 2)
    64240 (MSS x 44)
    bandwidth * delay product (Note this is not a speed test):

    Your RcvWindow limits you to: 700.8 kbps (87.6 KBytes/s) @ 200ms
    Your RcvWindow limits you to: 280.32 kbps (35.04 KBytes/s) @ 500ms
    Consider increasing your RWIN value to optimize TCP/IP for broadband.
    MTU Discovery (RFC1191) = ON
    Time to live left = 116 hops

    TTL value is ok.
    Timestamps (RFC1323) = OFF
    Selective Acknowledgements (RFC2018) = ON
    IP type of service field (RFC1349) = 00000000


    So, is there anything I could do to improve my connection speed?

  3. #3
    fem the retarded rabbit mccoffee's Avatar
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    Who is your proivder and and advertised speed?



    Also what is your current speeds?
    Comptia a+ n+

  4. #4
    Junior Member Wheeler's Avatar
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    As I said in the first post, my ISP is HTV and the advertised speed is 512/200
    (downstream/upstream)

  5. #5
    fem the retarded rabbit mccoffee's Avatar
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    I miseed the adverstised sorry about

    Try these in the optimizers


    Try thease in the sg optmizer below me to download and install
    select - cable
    check - custom settings
    network adapter selection -
    check modify all adapters
    maxmtu -1500
    TTL - 64
    TCP Receive Window 32120
    MTU Discovery - yes
    Black Hole Detect - no
    Selective Acks - yes
    Max Dup ACKs - 2
    TCP 1323 nothing is checked
    Other Settings tab:
    Max Connections per Server - 10
    Max Connections per 1.0 Server - 20
    Lan Browsing Speedup - optimized
    Then select "Apply Changes" and reboot to take effect.

    1. Under your LAN connection - properties - general tab, uninstall all the protocols there that you do not need.

    2. Open IE and select tools - internet options - connections -
    LAN settings, make sure NOTHING there is checked.

    3. ALWAYS connect your modem via ethernet (NIC) and make sure you have the latest drivers for your NIC from the manufacturer. Set your NIC duplex mode to 10mb half duplex for Cable, for DSL it is ISP dependent unless you are using a router, if so then set it to 100mb full duplex for both Cable & DSL (the instructions are in my Help & Tips link). If you are using a router make sure you have the latest firmware.

    4. Clear your temporary internet files.

    5. Power cycle your modem, unplug it for atleast 15 seconds.

    6. Download and update then do a scan with SpyBot 1.2 http://beam.to/spybotsd & Ad Aware 6.0 http://www.lavasoftusa.com/support/download to remove any spyware then install and update SpywareBlaster to stay spyware FREE. YOU MUST USE BOTH AD AWARE & SPYBOT TO ENSURE YOU ARE SPYWARE FREE SINCE ONE FINDS WHAT THE OTHER MISSES.

    7. Make sure you do the faster web page tweak in Read1st link.

    8. If you have Zone Alarm as a firewall uninstall it then visit Zonelabs.com for further instructions on removing it's left over junk.

    9. Install Outpost Firewall http://www.agnitum.com\ or Sygate Firewall http://www.sygate.com/ , both have FREE and Pro versions and are heads above ZA.

    10. Scan for viruses with your antivirus app, if you do not have one get one IMMEDIATELY, AVG 6.0 http://www.grisoft.com/us/us_dwnl_free.php is an excellent FREE AV app.

    11. Make sure you have ALL of the latest Windows Updates
    Comptia a+ n+

  6. #6
    Junior Member Wheeler's Avatar
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    My speed (according to nyc.speakeasy.net, before tweaking) is

    2004-07-11 11:54:10 EST: 484 / 195
    Your download speed : 495759 bps, or 484 kbps.
    A 60.5 KB/sec transfer rate.
    Your upload speed : 200000 bps, or 195 kbps.

    I'll apply the new settings and get back to you.

  7. #7
    fem the retarded rabbit mccoffee's Avatar
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    your speeds b4 tweaking is pretty good imo
    Comptia a+ n+

  8. #8
    Junior Member Wheeler's Avatar
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    I checked my advertised speeds again, and in fact, they are 525/200.

    anyway here's the analyzer after applying the tweaks you asked:

    Browser/OS = Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7) Gecko/20040614 Firefox/0.9
    Notes: Read the Analyzer FAQ if the above is not your IP address.
    TCP options string = 020405b401010402
    MTU = 1500
    MTU is fully optimized for broadband.
    MSS = 1460
    Maximum useful data in each packet = 1460, which equals MSS.
    Default Receive Window (RWIN) = 32120
    RWIN Scaling (RFC1323) = 0 bits
    Unscaled Receive Window = 32120

    RWIN is a multiple of MSS
    Other values for RWIN that might work well with your current MTU/MSS:
    513920 (MSS x 44 * scale factor of 8)
    256960 (MSS x 44 * scale factor of 4)
    128480 (MSS x 44 * scale factor of 2)
    64240 (MSS x 44)
    bandwidth * delay product (Note this is not a speed test):

    Your RcvWindow limits you to: 1284.8 kbps (160.6 KBytes/s) @ 200ms
    Your RcvWindow limits you to: 513.92 kbps (64.24 KBytes/s) @ 500ms
    MTU Discovery (RFC1191) = ON
    Time to live left = 52 hops

    TTL value is ok.
    Timestamps (RFC1323) = OFF
    Selective Acknowledgements (RFC2018) = ON
    IP type of service field (RFC1349) = 00000000

    Speeds:

    2004-07-11 12:20:13 EST: 362 / 190
    Your download speed : 370705 bps, or 362 kbps.
    A 45.2 KB/sec transfer rate.
    Your upload speed : 194694 bps, or 190 kbps.

    So, I reckon I should revert these tweaks too, eh?

  9. #9
    fem the retarded rabbit mccoffee's Avatar
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    yeah go back to the 17520 it seems like it was working the best
    Comptia a+ n+

  10. #10
    Junior Member Wheeler's Avatar
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    Okay, things pretty much back to normal.

    Browser/OS = Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7) Gecko/20040614 Firefox/0.9
    Notes: Read the Analyzer FAQ if the above is not your IP address.
    TCP options string = 020405b40103030001010402
    MTU = 1500
    MTU is fully optimized for broadband.
    MSS = 1460
    Maximum useful data in each packet = 1460, which equals MSS.
    Default Receive Window (RWIN) = 17520
    RWIN Scaling (RFC1323) = 0 bits
    Unscaled Receive Window = 17520

    RWIN is a multiple of MSS
    Other values for RWIN that might work well with your current MTU/MSS:
    513920 (MSS x 44 * scale factor of 8)
    256960 (MSS x 44 * scale factor of 4)
    128480 (MSS x 44 * scale factor of 2)
    64240 (MSS x 44)
    bandwidth * delay product (Note this is not a speed test):

    Your RcvWindow limits you to: 700.8 kbps (87.6 KBytes/s) @ 200ms
    Your RcvWindow limits you to: 280.32 kbps (35.04 KBytes/s) @ 500ms
    Consider increasing your RWIN value to optimize TCP/IP for broadband.
    MTU Discovery (RFC1191) = ON
    Time to live left = 52 hops

    TTL value is ok.
    Timestamps (RFC1323) = OFF
    Selective Acknowledgements (RFC2018) = ON
    IP type of service field (RFC1349) = 00000000

    Speeds:

    Your download speed : 497976 bps, or 486 kbps.
    A 60.7 KB/sec transfer rate.
    Your upload speed : 198461 bps, or 193 kbps.

    I guess there's not so much to be done after all. Well, thanks anyway

  11. #11
    fem the retarded rabbit mccoffee's Avatar
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    To be honset your speeds aren't that bad
    Comptia a+ n+

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